:root{
  --bg:#fdf6ec;
  --card:#fffaf5;
  --text:#3e2723;
  --muted:#795548;
  --primary:#d17b46;
  --secondary:#8d6e63;
  --shadow: 0 4px 12px rgba(0,0,0,.1);
}
body{margin:0;font-family:'Poppins',system-ui,sans-serif;background:var(--bg);color:var(--text);}
.app-header{background:var(--primary);color:#fff;box-shadow:var(--shadow);padding:15px 20px;}
.brand{display:flex;align-items:center;gap:12px;}
.logo{width:42px;height:42px;border-radius:50%;background:var(--secondary);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;}
.brand-text h1{margin:0;font-size:20px;}
.brand-text span{color:#ffe0b2;font-size:13px;}
.container{max-width:900px;margin:30px auto;padding:0 15px;}
.section{margin-bottom:30px;}
.section-head h2{margin:0 0 6px;font-size:22px;}
.section-head p{margin:0;color:var(--muted);}
.card{background:var(--card);border-radius:12px;box-shadow:var(--shadow);padding:20px;margin-top:15px;}
.form label{display:block;margin-bottom:15px;font-size:14px;}
.form input,.form select{width:100%;padding:10px;border:1px solid #ddd;border-radius:8px;}
.btn{background:var(--primary);color:#fff;border:none;padding:12px 18px;border-radius:8px;cursor:pointer;font-weight:600;box-shadow:var(--shadow);}
.btn:hover{opacity:0.9;}
.btn-secondary{display:inline-block;background:var(--secondary);color:#fff;padding:10px 16px;border-radius:8px;text-decoration:none;box-shadow:var(--shadow);margin-top:15px;}
.btn-secondary:hover{opacity:0.9;}
.alert{padding:10px;margin:10px 0;background:#ffecb3;color:#5d4037;border-radius:6px;}
.go-week{text-align:center;margin-top:20px;}
.table{width:100%;border-collapse:collapse;background:#fff;box-shadow:var(--shadow);}
.table th,.table td{padding:10px;border:1px solid #e5e7eb;text-align:right;}
.table th{background:#f1f5f9;text-align:center;}
.table td:first-child{text-align:left;}
.totales{background:#fff;box-shadow:var(--shadow);padding:20px;border-radius:10px;}
.totales p{margin:8px 0;}
.app-footer{text-align:center;color:var(--muted);padding:20px;}
.btn-danger {
  background: #e53935;
  color: #fff;
  border: none;
  padding: 12px 18px;
  border-radius: 8px;
  cursor: pointer;
  font-weight: 600;
  box-shadow: var(--shadow);
}
.btn-danger:hover {
  opacity: 0.9;
}